Tenga Crysta Block MasturbatorIts almost a shame to use it for masturbation! Tenga has created more than just a great experience for the penis with the masturbators in the Crysta line. They have created a masterpiece with the designs that every style conscious person can place in their living room. The masturbator is transparent and has a stimulating texture inside the canal that intensely stimulates the penis. A further level of stimulation can be created by squeezing the sides